title: Multi-resonant absorption in ultra-thin silicon solar cells with metallic nanowires.
abstract: We propose a design to confine light absorption in flat and ultra-thin amorphous silicon solar cells with a one-dimensional silver grating embedded in the front window of the cell. We show numerically that multi-resonant light trapping is achieved in both TE and TM polarizations. Each resonance is analyzed in detail and modeled by Fabry-Perot resonances or guided modes via grating coupling. This approach is generalized to a complete amorphous silicon solar cell, with the additional degrees of freedom provided by the buffer layers. These results could guide the design of resonant structures for optimized ultra-thin solar cells.
authors.forename: Inès
authors.initials: I
authors.lastname: Massiot
authors.forename: Clément
authors.initials: C
authors.lastname: Colin
authors.forename: Christophe
authors.initials: C
authors.lastname: Sauvan
authors.forename: Philippe
authors.initials: P
authors.lastname: Lalanne
authors.forename: Pere Roca I
authors.initials: PR
authors.lastname: Cabarrocas
authors.forename: Jean-Luc
authors.initials: JL
authors.lastname: Pelouard
authors.forename: Stéphane
authors.initials: S
authors.lastname: Collin